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Paraphin [41]
4 years ago
10

I need help with this problem -8(2v-2)=-4(7+5v)

Mathematics
1 answer:
Ne4ueva [31]4 years ago
6 0

Answer: I'm not sure if this is right or not but I got U = 4

Step-by-step explanation: -8(2v-2)=-4(7+5u. So first I distributed and got -16v -16 = 28 + 20u. And then I added 16u with 20u I added because you change the sign like if it's a negative you make it a positive so once you do 20u+16v you should get 36 and then on the other side it should be -16+16 which equals -16u from when you distributed so now you should have -16u=28+36 so now you would add 28 the 36 since they both are positives and have no variables which you should get 64 and then on the left you should have 16u. So it looks like -16u=64. And then now you would divide -16u on both sides and the side with the variable put it or v whatever variable you want to use and then do 64 divided by 16 and you should get 4.

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Correct expression for 10 decreased by 3x
liberstina [14]

Answer:

10 - 3x

Step-by-step explanation:

Since the number 10 is decreased by 3x, that would mean the expression is 10 - 3x.

Hope this helped!

5 0
3 years ago
Read 2 more answers
Ahmad picked up a toy with a mass of 7/12 kilograms. Then picked up another of 1/12 kilograms. What's the total Write your answe
telo118 [61]

Answer:

2/3

Step-by-step explanation:

7/12+1/12=8/12

<u>8</u>  / 4     <u>2</u>

12 / 4     3

Final answer 2/3

6 0
3 years ago
Read 2 more answers
Given 3 sides of a triangle - how to tell it right, acute, or obtuse 8,11, 16
user100 [1]
Using Pythagorean theorem, we can justify our answer.
if c^2 = a^2 + b^2 then triangle is right one,
if c^2 > a^2 + b^2 then triangle is obtuse and
if c^2 < a^2 + b^2 then triangle is acute triangle.

Here a=8, b=11 and c=16
Put these values in the equation
16^2 = 8 ^2 + 11^2
256 = 64 +121
256> 185
So here c^2 > a^2 + b^2  Which means triangle is obtuse triangle.

Answer: Obtuse Triangle


6 0
3 years ago
Which is bigger four liters or one gallon
rosijanka [135]
4 quarts=1 gallon
1 liter is slightly bigger than 1 quart

so
1L>1qt
times  4 both sides
4L>4qt=1gal
4L>1gal

4 liters is bigger
3 0
3 years ago
Look at the image. ( Ill give brainliest to best answer.)
nalin [4]
C. 1 solution hope it helps
3 0
3 years ago
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